get geico. fifteen minutes could save you fifteen percent or more. >>> another incredibly successful gun buyback program took place in san mateo today. the crowd so large the organizers started an hour earlier. people got $100 for a handgun or rifle. $200 for an assault weapon. a woman who turned in a rifle said it's time to do the right thing. >> have to stop the violence, it's crazy. it's got to stop. we just got to try to help each other, and just got to stop. >> it's hard to determine the impact. i think we can all say intuitively the community is safer as a result of the guns being taken off the streets. >> in all, 680 firearms were collected today. marin county and oakland have posted successful gun buybacks recently. >> in washington, dc, thousands of antigun activists recall idea open the national mall, calling for banning assault weapons, high-capacity magazines and instituting mandatory background checks. those measures are all backed by president obama. progun activists were on the ma